Dahlia, Dahlia Australis, Close-up opf pink coloured flower showing petals and stamen.

Clematis, Clematis Montana Wilsonii, A single open flower head ona stem that has set and going to seed.

Clematis, Clematis Montana Wilsonii, A single open white flower with pink tinging.

Clematis, Clematis Montana Wilsonii, A open white flower with pink tinging showing filaments and stamen.

Allium, Allium christophii, Close up of section of flowerhead growing outdoor.

Spring Starflower, Ipheion uniflorum 'Album', Top view of a few white flowers.

Allium 'Gladiator', Close up detail of mass of pink star shaped flowers.

Almond, Prunus dulcis blossom, One twig with three white flowers with pink stamens against blue sky.

Water Violet, Hottonia palustris, A single flowering stem which is used as a Bach flower remedy.

Water Violet, Hottonia palustris, A single flowering stem which is used as a Bach flower remedy.

Water Violet, Hottonia palustris, A single flowering stem which is used as a Bach flower remedy.

Isotoma, Isotoma axillaris, One long tubular flower just opening to reveal dark stamen, Petals are white on the outside and violet blue on the front upperside.

Musk thistle, Carduus nutans, spikey flowerhead seen from behind.

Musk thistle, Carduus nutans, spikey flowerhead seen from behind.

Musk thistle, Carduus nutans, purple spikey flower.

Musk thistle, Carduus nutans, purple spikey flower.

Grape hyacinth, Muscari botryoides 'Superstar', close up of the blue flowers.

Grape hyacinth, Muscari botryoides 'Superstar', close up of the blue flowers.

Knapweed, Black knapweed, Centaurea nigra, with Marbled White butterfly.

Knapweed, Black knapweed, Centaurea nigra, with Marbled White butterfly.

Crab apple, Malus 'Cardinal', branch covered in pink blossoms.

Magnolia, Magnolia 'Gold Star', close up deatil of the flower.

Magnolia, Magnolia 'Gold Star', close up deatil of the flower.

Lewisia, Siskiyou lewisia, Lewisia Cotyledon Hybrids, close up of purple flowers.